ymikulski 2002/09/25 15:47:39
Added: csframework/src/cs/Logger DiagnosticsLogger.cs
Log:
no message
Revision Changes Path
1.1
jakarta-avalon-excalibur/csframework/src/cs/Logger/DiagnosticsLogger.cs
Index: DiagnosticsLogger.cs
===================================================================
//------------------------------------------------------------------------------
// Copyright (C) The Apache Software Foundation. All rights reserved.
//
// This software is published under the terms of the Apache Software License
// version 1.1, a copy of which has been included with this distribution in
// the LICENSE.txt file.
//------------------------------------------------------------------------------
using System;
using System.Diagnostics;
namespace Apache.Avalon.Logger
{
/// <summary>
/// The Logger using standart Diagnostics namespace.
/// </summary>
public class DiagnosticsLogger: ILogger
{
EventLog logger;
/// <summary>
/// Creates a logger based on <see
cref="System.Diagnostics.EventLog"/>.
/// </summary>
/// <param name="logName"><see cref="EventLog.Log"/></param>
public DiagnosticsLogger(string logName)
{
logger = new EventLog(logName);
}
/// <summary>
/// Creates a logger based on <see
cref="System.Diagnostics.EventLog"/>.
/// </summary>
/// <param name="logName"><see cref="EventLog.Log"/></param>
/// <param name="source"><see cref="EventLog.Source"/></param>
public DiagnosticsLogger(string logName, string source)
{
// Create the source, if it does not already exist.
if(!EventLog.SourceExists(source))
{
EventLog.CreateEventSource(source, logName);
}
logger = new EventLog(logName);
}
/// <summary>
/// Creates a logger based on <see
cref="System.Diagnostics.EventLog"/>.
/// </summary>
/// <param name="logName"><see cref="EventLog.Log"/></param>
/// <param name="machineName"><see
cref="EventLog.MachineName"/></param>
/// <param name="source"><see cref="EventLog.Source"/></param>
public DiagnosticsLogger(string logName, string machineName, string
source)
{
// Create the source, if it does not already exist.
if(!EventLog.SourceExists(source, machineName))
{
EventLog.CreateEventSource(source, logName,
machineName);
}
logger = new EventLog(logName, machineName, source);
}
/// <summary>
/// Logs a debug message.
/// </summary>
/// <param name="message">The Message</param>
public void Debug(string message )
{
Debug(message, null);
}
/// <summary>
/// Logs a debug message.
/// </summary>
/// <param name="message">The Message</param>
/// <param name="exception">The Exception</param>
public void Debug(string message, Exception exception)
{
System.Diagnostics.Debug.WriteLine(string.Format("message:
{0}", message));
if (exception != null)
{
System.Diagnostics.Debug.WriteLine(string.Format("exception: {0}", exception));
}
}
/// <summary>
/// Debug level is always enabled.
/// </summary>
/// <value>The Value is always True</value>
public bool IsDebugEnabled
{
get
{
return true;
}
}
/// <summary>
/// Logs an info message.
/// </summary>
/// <param name="message">The Message</param>
public void Info(string message )
{
Info(message, null);
}
/// <summary>
/// Logs an info message.
/// </summary>
/// <param name="message">The Message</param>
/// <param name="exception">The Exception</param>
public void Info(string message, Exception exception)
{
Log(message, exception, EventLogEntryType.Information);
}
/// <summary>
/// Information level is always enabled.
/// </summary>
/// <value>The Value is always True</value>
public bool IsInfoEnabled
{
get
{
return true;
}
}
/// <summary>
/// Logs a warn message.
/// </summary>
/// <param name="message">The Message</param>
public void Warn(string message )
{
Warn(message, null);
}
/// <summary>
/// Logs a warn message.
/// </summary>
/// <param name="message">The Message</param>
/// <param name="exception">The Exception</param>
public void Warn(string message, Exception exception)
{
Log(message, exception, EventLogEntryType.Warning);
}
/// <summary>
/// Warning level is always enabled.
/// </summary>
/// <value>The Value is always True</value>
public bool IsWarnEnabled
{
get
{
return true;
}
}
/// <summary>
/// Logs an error message.
/// </summary>
/// <param name="message">The Message</param>
public void Error(string message )
{
Error(message, null);
}
/// <summary>
/// Logs an error message.
/// </summary>
/// <param name="message">The Message</param>
/// <param name="exception">The Exception</param>
public void Error(string message, Exception exception)
{
Log(message, exception, EventLogEntryType.Error);
}
/// <summary>
/// Error level is always enabled.
/// </summary>
/// <value>The Value is always True</value>
public bool IsErrorEnabled
{
get
{
return true;
}
}
/// <summary>
/// Logs a fatal error message.
/// </summary>
/// <param name="message">The Message</param>
public void FatalError(string message )
{
FatalError(message, null);
}
/// <summary>
/// Logs a fatal error message.
/// </summary>
/// <param name="message">The Message</param>
/// <param name="exception">The Exception</param>
public void FatalError(string message, Exception exception)
{
Log(message, exception, EventLogEntryType.Error);
}
/// <summary>
/// FatalError level is always enabled.
/// </summary>
/// <value>The Value is always True</value>
public bool IsFatalErrorEnabled
{
get
{
return true;
}
}
/// <summary>
/// Create a new logger with the same Log, MachineName and Source
properties.
/// </summary>
/// <param name="name">Ignored, cause a source can only be registered
to one log at a time.</param>
/// <returns>The New ILogger instance.</returns>
/// <exception cref="System.ArgumentException">If the name has an
empty element name.</exception>
public ILogger CreateChildLogger(string name )
{
return new DiagnosticsLogger(logger.Log, logger.MachineName,
logger.Source);
}
private void Log(string message, Exception exception,
EventLogEntryType type)
{
string result;
if (exception == null)
{
result = string.Format("message: {0}", message);
}
else
{
result = string.Format("message: {0}; exception: {1}",
message, exception);
}
logger.WriteEntry(result, type);
}
}
}
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